Texas House administrators agreed to delay its annual shredding of travel reimbursement reports in cooperation with a Travis County investigation into alleged illegal double-billing by state Rep. Joe Driver.

Driver, R-Garland, told the Associated Press he and his campaign have also agreed to cooperate with District Attorney Rosemary Lehmberg, who asked that the travel records for state representatives for fiscal year 2005 be preserved for her examination. House travel records are shredded after five years.

Lehmberg initiated an investigation after Driver told the Associated Press he had for years paid for his government travel with money from his campaign fund while billing for and receiving reimbursement for those same bills from tax funds. The AP's review showed he had double-billed for at least $17,431.55 in travel expenses since 2005. Driver, a state representative since 1993, said he never realized he was doing anything wrong.